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git-svn-id: http://core.svn.wordpress.org/trunk@22126 1a063a9b-81f0-0310-95a4-ce76da25c4cd
159 lines
4.0 KiB
JavaScript
159 lines
4.0 KiB
JavaScript
window.wp = window.wp || {};
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(function( exports, $ ){
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var api = wp.customize,
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Loader;
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$.extend( $.support, {
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history: !! ( window.history && history.pushState ),
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hashchange: ('onhashchange' in window) && (document.documentMode === undefined || document.documentMode > 7)
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});
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Loader = $.extend( {}, api.Events, {
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initialize: function() {
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this.body = $( document.body );
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// Ensure the loader is supported.
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// Check for settings, postMessage support, and whether we require CORS support.
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if ( ! Loader.settings || ! $.support.postMessage || ( ! $.support.cors && Loader.settings.isCrossDomain ) ) {
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return;
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}
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this.window = $( window );
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this.element = $( '<div id="customize-container" />' ).appendTo( this.body );
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this.bind( 'open', this.overlay.show );
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this.bind( 'close', this.overlay.hide );
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$('#wpbody').on( 'click', '.load-customize', function( event ) {
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event.preventDefault();
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// Load the theme.
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Loader.open( $(this).attr('href') );
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});
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// Add navigation listeners.
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if ( $.support.history )
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this.window.on( 'popstate', Loader.popstate );
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if ( $.support.hashchange ) {
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this.window.on( 'hashchange', Loader.hashchange );
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this.window.triggerHandler( 'hashchange' );
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}
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},
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popstate: function( e ) {
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var state = e.originalEvent.state;
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if ( state && state.customize )
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Loader.open( state.customize );
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else if ( Loader.active )
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Loader.close();
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},
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hashchange: function( e ) {
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var hash = window.location.toString().split('#')[1];
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if ( hash && 0 === hash.indexOf( 'wp_customize=on' ) )
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Loader.open( Loader.settings.url + '?' + hash );
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if ( ! hash && ! $.support.history )
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Loader.close();
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},
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open: function( src ) {
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var hash;
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if ( this.active )
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return;
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// Load the full page on mobile devices.
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if ( Loader.settings.browser.mobile )
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return window.location = src;
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this.active = true;
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this.body.addClass('customize-loading');
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this.iframe = $( '<iframe />', { src: src }).appendTo( this.element );
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this.iframe.one( 'load', this.loaded );
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// Create a postMessage connection with the iframe.
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this.messenger = new api.Messenger({
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url: src,
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channel: 'loader',
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targetWindow: this.iframe[0].contentWindow
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});
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// Wait for the connection from the iframe before sending any postMessage events.
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this.messenger.bind( 'ready', function() {
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Loader.messenger.send( 'back' );
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});
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this.messenger.bind( 'close', function() {
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if ( $.support.history )
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history.back();
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else if ( $.support.hashchange )
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window.location.hash = '';
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else
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Loader.close();
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});
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this.messenger.bind( 'activated', function( location ) {
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if ( location )
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window.location = location;
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});
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hash = src.split('?')[1];
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// Ensure we don't call pushState if the user hit the forward button.
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if ( $.support.history && window.location.href !== src )
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history.pushState( { customize: src }, '', src );
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else if ( ! $.support.history && $.support.hashchange && hash )
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window.location.hash = 'wp_customize=on&' + hash;
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this.trigger( 'open' );
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},
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opened: function() {
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Loader.body.addClass( 'customize-active full-overlay-active' );
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},
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close: function() {
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if ( ! this.active )
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return;
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this.active = false;
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this.trigger( 'close' );
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},
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closed: function() {
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Loader.iframe.remove();
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Loader.messenger.destroy();
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Loader.iframe = null;
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Loader.messenger = null;
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Loader.body.removeClass( 'customize-active full-overlay-active' ).removeClass( 'customize-loading' );
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},
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loaded: function() {
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Loader.body.removeClass('customize-loading');
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},
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overlay: {
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show: function() {
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this.element.fadeIn( 200, Loader.opened );
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},
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hide: function() {
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this.element.fadeOut( 200, Loader.closed );
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}
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}
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});
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$( function() {
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Loader.settings = _wpCustomizeLoaderSettings;
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Loader.initialize();
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});
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// Expose the API to the world.
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api.Loader = Loader;
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})( wp, jQuery );
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